<template>
  <el-row class="login-container" justify="center" align="middle">
     <el-card style="max-width: 480px;">
      <template #header>
        <div class="card-header">
          <img :src="imgUrl" alt="">
        </div>
      </template>
      <div class="jump-link">
          <el-link type="primary" @click="handleChange">{{ formType ? '返回登录' : '注册账号' }}</el-link>
      </div>
      <el-form 
      ref="loginFormRef"
      :model="loginForm" 
      style="max-width: 600px;"
      class="demo-ruleForm"
      :rules="rules"
      >
         <el-form-item prop="userName">
           <el-input v-model="loginForm.userName" placeholder="手机号" prefix-icon="UserFilled"/>
         </el-form-item>
         <el-form-item prop="passWord">
           <el-input v-model="loginForm.passWord" type="password" placeholder="密码" prefix-icon="Lock"/>
         </el-form-item>
         <el-form-item v-if="formType" prop="validCode">
           <el-input v-model="loginForm.validCode" placeholder="验证码" prefix-icon="Lock"> 
             <template #append>
              <span @click="countdownChange">{{ countdown.validText }}</span>
             </template>
           </el-input>
         </el-form-item>
         <el-form-item>
          <el-button type="primary" :style="{width: '100%'}" @click="submitForm(loginFormRef)">
             {{ formType ? '注册账号' : '登录' }}
          </el-button>
         </el-form-item>
      </el-form>
     </el-card>
  </el-row>
</template>

<script setup>
import { ref, reactive, computed, toRaw } from 'vue'
import { getCode, userAuthentication, login, menuPermissions } from '../../api'
import { useRouter } from 'vue-router'
import { useHomeStore } from '../../stores/home'
const router = useRouter()
const imgUrl = new URL('../../../public/login-head.png', import.meta.url).href

// 表单基础数据
const loginForm = reactive({
  userName: '',
  passWord: '',
  validCode: ''
})
// 切换表单(0登录 1注册)
const formType = ref(0)
// 点击切换登录和注册
const handleChange = () => {
   formType.value = formType.value ? 0 : 1
}

// 账号校验规则
const validateUser = (rule, value, callback) => {
   // 账号不能为空
   if (value === '') {
     callback(new Error('请输入账号'))
   } else {
     const phoneReg = /^1(3[0-9]|4[01456879]|5[0-35-9]|6[2567]|7[0-8]|8[0-9]|9[0-35-9])\d{8}$/
     phoneReg.test(value) ? callback() : callback(new Error('手机号格式不对，请输入正确手机号'))
   }
}

// 密码校验规则
const validatePass = (rule, value, callback) => {
  // 密码不能为空
   if (value === '') {
     callback(new Error('请输入密码'))
   } else {
     const reg = /^[a-zA-Z0-9_-]{4,16}$/
     reg.test(value) ? callback() : callback(new Error('密码格式不对，需要4-16位字符，请确认格式'))
   }
}
// 表单校验
const rules = reactive({
  userName: [{ validator: validateUser, trigger: 'blur' }],
  passWord: [{ validator: validatePass, trigger: 'blur' }],
})

// 发送短信
const countdown = reactive({
  validText: '获取验证码',
  time: 60
})

let flag = false
const countdownChange = () => {
  // 倒计时
  // 如果已发送，再次点击不处理
  if (flag) return
  // 判断手机号是否正确
  const phoneReg = /^1(3[0-9]|4[01456879]|5[0-35-9]|6[2567]|7[0-8]|8[0-9]|9[0-35-9])\d{8}$/

  if (!loginForm.userName || !phoneReg.test(loginForm.userName)) {
    return ElMessage({
      message: '请检查手机号是否正确',
      type: 'warning'
    })
  }
  const time = setInterval(() => {
    if (countdown.time <= 0) {
      countdown.time = 60
      countdown.validText = `获取验证码`
      flag = false
      clearInterval(time)
    } else {
      countdown.time -= 1
      countdown.validText = `剩余${countdown.time}s`
    }
  }, 1000)
  flag = true
  getCode({ tel: loginForm.userName }).then(({ data }) => {
    console.log(data, 'data')
    if (data.code === 10000) {
      ElMessage.success('发送成功')
    }
    
  })
}

const loginFormRef = ref()
const homeStore = useHomeStore()
const routerList = computed(() => homeStore.routerList)
// 表单提交
const submitForm = async (formEl) => {
  if (!formEl) return
  // 手动触发校验
  await formEl.validate((valid, fields) => {
    if (valid) {
      // 注册页面
      if (formType.value) {
        userAuthentication(loginForm).then(({ data }) => {
          if (data.code === 10000) {
            ElMessage.success('注册成功，请登录')
            formType.value = 0
          }
        })
      } else {
        login(loginForm).then(({ data }) => {
          if (data.code === 10000) {
            ElMessage.success('登录成功')
            console.log(data)
            // 将token和用户信息缓存到浏览器
            localStorage.setItem('pz_token', data.data.token)
            localStorage.setItem('pz_userInfo', JSON.stringify(data.data.userInfo))
            menuPermissions().then(({ data }) => {
              homeStore.dynamicMenu(data.data)
              // console.log(routerList)
              toRaw(routerList.value).forEach(item => {
                console.log(item)
                router.addRoute('main', item)
              })
              router.push('/')
            })
          }
        })
      }
    } else {
      console.log('error submit!', fields)
    }
  })
}

</script>

<style lang="less" scoped>
:deep(.el-card__header) {
    padding: 0
}
.login-container {
  height: 100%;
  .card-header{
    background-color: #899fe1;
    img {
      width: 430px;
    }
  }
  .jump-link {
    text-align: right;
    margin-bottom: 10px;
  }
}
</style>